Blade iron



FIG. 1 is a perspective view from below of a blade iron in accordance with my design;

FIG. 2 is an enlarged perspective view from below of the blade iron in accordance with my design;

FIG. 3 is a bottom plan view of the blade iron in accordance with my design;

FIG. 4 is a top plan view of the blade iron in accordance with my design;

FIG. 5 is a side elevation view of the blade iron in accordance with my design;

FIG. 6 is a side elevation view of the blade iron in accordance with my design; and,

FIG. 7 is a front elevation view of the blade iron in accordance with my design.

The broken lines showing environmental structure are for illustrative purposes and form no part of the claimed invention. 

The ornamental design for a blade iron, as shown and described. 